Answer:
Explanation:
Imagine that you are seven years old. You are participating in an experiment. A
researcher greets you and shows you into a small room. In the room there is a
marshmallow. The marshmallow is for you, but here is the interesting part: The
researcher tells you that he is going to leave you alone in the room for a while. You can
eat the marshmallow right away, or you can wait until he gets back. If you wait until he
gets back, you will get a second marshmallow.
